712 



INDEX 



I JABIA MAJORA, 475 



Labial cartilages, of Craniata, 77, 78* : 

 Dog-fish, 150 



Labrichthy* pxittacula, 222 } 



Labyrinth, membranous See Ear: caro- 

 tid, 280 



Labyrinthodonts, 264, 297, 304 



LACERTA, External features, 314, Exo- 

 skeleton, 315 : Endo-skeleton, 315-23 : 

 Digestive system, 323, 324 : Vascular 

 system, 324, 325, 326, 328 : Organs of 

 respiration, 328 : Brain, 328, 329, 330 : 

 Spinal cord, 331 : Organs of special 

 sense, 331, 332 : Urinary and repro- 

 ductive systems, 332, 333: Systematic 

 position, 337 



Lacerta muralis, 358 



Lacertida, 337*, 369 



Lacertilia, 334*, 337, 338, 339, 342, 

 343, 344, 347, 348, 349, 353, 356, 357, 

 358, 359, 360, 361, 362, 364, 365, 369, 

 370 



Lacrymal bone, 318 



Lacrymal gland, of Lizard, 331 : Mam- 

 malia, 580 



Lacteals, 98* 



Lacustrine fauna, 636 



Lvmargus, 178, 180, 181 



Lagena, 214, 332 See Ear 



Lagenorhynchus, 561 



Layomyidai, 488 



Lagopus scoticus, 622 



Lamarck, 648, 676, 677 



Lamarckian theory, 648 



Lambdoidai suture, 452 



Lamina perpendicularis, 452* 



Lamina terminalis, of Craniata, 103* 

 See Brain 



Lamna cornubica, 170 



Lampern, 124 



Lamprey See Petromyzon 



Lanarkia spinosa, 262 



Lancelot See Amphioxus 



Land tortoises, 336, 341, 368, 370 



Languets, 26*, 30 



Lankester, E. R., 689 



Lapillus, 214*, 215 



Larks, All 



Larus, 416, 434, 442, 626 



Larvacea, 22* 



Laryngeal nerves, of Craniata, 106 



Laryngo-tracheal chamber, 278, 305 



Larynx, of Lizard, 328 : Reptilia, 357 : 

 Bird, 397 : Rabbit, 466 



La Sueur, 683 



Lateral line, 107* : Petromyzon, 125 : 

 Dog-fish, 145 : Ceratodus, 247 : Trout, 

 200 : Holocephali, 190 : Amphibia, 308 



Lateral line canal, 145 : Elasmobranchs. 

 179 



Lateral line organs, 107*, 179, 308 



Lateral nerve, of Craniata, 106 



Lateral plate, of Amphioxits, 61 



Lateral plate, of mesoderm, 121 



Lateral post-frontal, 318, 319* 



Lateral temporal fossa, 319 



Lateral vein, 94 



Lateral ventricle, of Craniata, 100 See 

 Brain 



Laurentian, 638 



Leather- backed Turtle, 347 



Leeuwenhoek, 670 



Lemur, 486 See Prosimii 



Lens, 111, 110 



Lens-capsule, 111 



Lens involution, 113 



Lepidosiren, 246, 257, 258, 259 



Lepidosteus, 219, 225, 228, 229, 230, 234, 

 236, 238, 239, 240, 241, 242 



Lepidoateu* platystomn*, 219 



Lepidotricha, 208* 



Lepidotus maximus, 245 



Leporidcv, 484, 488 



Leptocephalus, 242 



Leptoglossce, 337* 



LEPUS CUNICULUS, 446 : External charac- 

 ters, 447, 446 : Skeleton, 447-458 : 

 Ccelome, 458 : Digestive organs, 458- 

 462: Circulatory organs, 462-466: 

 Respiratory organs, 466, 467 : Ductless 

 glands, 467 : Nervous system, 468, 

 469, 470, 471, 472: Organs of special 

 sense, 472 ; Urinogenital organs, 473, 

 479 : Development, 475 : Systematic- 

 position, 488 



Lepus variabilis, 638 



Leuckart, 681, 682 



Leucocytes, 97 



Leydig's gland, 165* 



Lieberkuhn, 682 



Lienogastric artery, 156, 



Limbs, of Craniata, 69, 82: Dog-fish, 

 145, 146 : Elasmobranchii, 170 : Holo- 

 cephali, 189 : Trout, 200 : Teleostomi, 

 226: Ceratodus, 247: Dipnoi, 258: 

 Frog, 265 : Amphibia, 304 : Lizard, 

 314 : Reptilia, 338, 339, 341 : Pigeon, 

 380: Aves (Neornithes), 421, 422: 

 Rabbit, 447 : Mammalia, 516 



Limb-girdles, of Craniata, 83, 84 See 

 Pectoral arch and Pelvic arch 



Limb-skeleton, of Craniata, 81, 82: Dog- 

 fish, 150: Elasmobranchii, 175: Holo- 

 cephali, 192: Trout, 208: Teleostomi, 

 231 : Dipnoi, 250 : Frog, 273, 274 : 

 Amphibia, 304: Lizard, 321, 322, 323 : 

 Reptilia, 353, 354, 355: Pigeon, 391, 

 392, 393 ; Aves, 430, 433 : Rabbit, 455, 

 456, 457 : Mammalia, 515 : Proto- 

 theria, 520: Metatheria, 524, 525: 

 Edentata, 528, 529, 530 : Cetacea, 533 : 

 Sirenia, 535 : Ungulata, 541 : Car- 



